On a certain aircralt, the ntain control cireiton inay autopilot fails w 0 pts D. A...
3a. On a certain aircraft, the main control circuit on an autopilot fails with probability p. A redundant backup eircuit fails independently with probability q. The aircraft can fly if at least one of the circuits is functioning. Find the probability that the aircraft cannot fly. 4 pt. b. Let X and Y be the random variables with respective pmf's shown in the side figure. Compute var(X), var(Y). 23 pt. 3 pt. c. | At Problem 3-b, find the PMF...